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Finding the Third Proportional to 181,825,572 and 397,662,720

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Solution

The third proportional to 181,825,572 and 397,662,720 is: 869,710,663.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,825,572 : 397,662,720 = 397,662,720 : x
  2. Step 2: Convert to fraction form
    181,825,572/397,662,720 = 397,662,720/x
  3. Step 3: Cross multiply
    181,825,572x = 397,662,720 × 397,662,720
  4. Step 4: Simplify right side
    181,825,572x = 158,135,638,877,798,400
  5. Step 5: Solve for x
    x = 158,135,638,877,798,400/181,825,572
  6. Step 6: Final answer
    x = 869,710,663.57

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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.