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Finding the Third Proportional to 63,478,250 and 128,741,362

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Solution

The third proportional to 63,478,250 and 128,741,362 is: 261,102,634.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,478,250 : 128,741,362 = 128,741,362 : x
  2. Step 2: Convert to fraction form
    63,478,250/128,741,362 = 128,741,362/x
  3. Step 3: Cross multiply
    63,478,250x = 128,741,362 × 128,741,362
  4. Step 4: Simplify right side
    63,478,250x = 16,574,338,289,615,044
  5. Step 5: Solve for x
    x = 16,574,338,289,615,044/63,478,250
  6. Step 6: Final answer
    x = 261,102,634.20

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.