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Finding the Third Proportional to 19,909,572 and 30,047,088

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Solution

The third proportional to 19,909,572 and 30,047,088 is: 45,346,404.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,909,572 : 30,047,088 = 30,047,088 : x
  2. Step 2: Convert to fraction form
    19,909,572/30,047,088 = 30,047,088/x
  3. Step 3: Cross multiply
    19,909,572x = 30,047,088 × 30,047,088
  4. Step 4: Simplify right side
    19,909,572x = 902,827,497,279,744
  5. Step 5: Solve for x
    x = 902,827,497,279,744/19,909,572
  6. Step 6: Final answer
    x = 45,346,404.10

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.