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Finding the Third Proportional to 30,386,355.19 and 66,678,633

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Solution

The third proportional to 30,386,355.19 and 66,678,633 is: 146,316,992.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,386,355.19 : 66,678,633 = 66,678,633 : x
  2. Step 2: Convert to fraction form
    30,386,355.19/66,678,633 = 66,678,633/x
  3. Step 3: Cross multiply
    30,386,355.19x = 66,678,633 × 66,678,633
  4. Step 4: Simplify right side
    30,386,355.19x = 4,446,040,098,748,689
  5. Step 5: Solve for x
    x = 4,446,040,098,748,689/30,386,355.19
  6. Step 6: Final answer
    x = 146,316,992.32

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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.