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Finding the Third Proportional to 66,306,727.50 and 139,484,592

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Solution

The third proportional to 66,306,727.50 and 139,484,592 is: 293,423,490.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,306,727.50 : 139,484,592 = 139,484,592 : x
  2. Step 2: Convert to fraction form
    66,306,727.50/139,484,592 = 139,484,592/x
  3. Step 3: Cross multiply
    66,306,727.50x = 139,484,592 × 139,484,592
  4. Step 4: Simplify right side
    66,306,727.50x = 19,455,951,405,406,464
  5. Step 5: Solve for x
    x = 19,455,951,405,406,464/66,306,727.50
  6. Step 6: Final answer
    x = 293,423,490.18

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.