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Finding the Third Proportional to 30,281,302.50 and 66,424,644

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Solution

The third proportional to 30,281,302.50 and 66,424,644 is: 145,708,175.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,281,302.50 : 66,424,644 = 66,424,644 : x
  2. Step 2: Convert to fraction form
    30,281,302.50/66,424,644 = 66,424,644/x
  3. Step 3: Cross multiply
    30,281,302.50x = 66,424,644 × 66,424,644
  4. Step 4: Simplify right side
    30,281,302.50x = 4,412,233,330,526,736
  5. Step 5: Solve for x
    x = 4,412,233,330,526,736/30,281,302.50
  6. Step 6: Final answer
    x = 145,708,175.22

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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.