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Finding the Third Proportional to 66,864,552 and 145,599,527

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Solution

The third proportional to 66,864,552 and 145,599,527 is: 317,047,248.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,864,552 : 145,599,527 = 145,599,527 : x
  2. Step 2: Convert to fraction form
    66,864,552/145,599,527 = 145,599,527/x
  3. Step 3: Cross multiply
    66,864,552x = 145,599,527 × 145,599,527
  4. Step 4: Simplify right side
    66,864,552x = 21,199,222,262,623,728
  5. Step 5: Solve for x
    x = 21,199,222,262,623,728/66,864,552
  6. Step 6: Final answer
    x = 317,047,248.93

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.