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Finding the Third Proportional to 56,420,931.75 and 77,960,910.75

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Solution

The third proportional to 56,420,931.75 and 77,960,910.75 is: 107,724,268.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,420,931.75 : 77,960,910.75 = 77,960,910.75 : x
  2. Step 2: Convert to fraction form
    56,420,931.75/77,960,910.75 = 77,960,910.75/x
  3. Step 3: Cross multiply
    56,420,931.75x = 77,960,910.75 × 77,960,910.75
  4. Step 4: Simplify right side
    56,420,931.75x = 6,077,903,604,969,466
  5. Step 5: Solve for x
    x = 6,077,903,604,969,466/56,420,931.75
  6. Step 6: Final answer
    x = 107,724,268.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.