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Finding the Third Proportional to 373,713,894 and 817,807,738.50

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Solution

The third proportional to 373,713,894 and 817,807,738.50 is: 1,789,629,735.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,713,894 : 817,807,738.50 = 817,807,738.50 : x
  2. Step 2: Convert to fraction form
    373,713,894/817,807,738.50 = 817,807,738.50/x
  3. Step 3: Cross multiply
    373,713,894x = 817,807,738.50 × 817,807,738.50
  4. Step 4: Simplify right side
    373,713,894x = 668,809,497,150,484,352
  5. Step 5: Solve for x
    x = 668,809,497,150,484,352/373,713,894
  6. Step 6: Final answer
    x = 1,789,629,735.18

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.