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Finding the Third Proportional to 78,637,330,336 and 173,303,452,754

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Solution

The third proportional to 78,637,330,336 and 173,303,452,754 is: 381,931,667,925.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,637,330,336 : 173,303,452,754 = 173,303,452,754 : x
  2. Step 2: Convert to fraction form
    78,637,330,336/173,303,452,754 = 173,303,452,754/x
  3. Step 3: Cross multiply
    78,637,330,336x = 173,303,452,754 × 173,303,452,754
  4. Step 4: Simplify right side
    78,637,330,336x = 30,034,086,736,457,908,617,216
  5. Step 5: Solve for x
    x = 30,034,086,736,457,908,617,216/78,637,330,336
  6. Step 6: Final answer
    x = 381,931,667,925.77

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.