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Finding the Third Proportional to 90,842,415 and 199,270,663.50

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Solution

The third proportional to 90,842,415 and 199,270,663.50 is: 437,117,367.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,842,415 : 199,270,663.50 = 199,270,663.50 : x
  2. Step 2: Convert to fraction form
    90,842,415/199,270,663.50 = 199,270,663.50/x
  3. Step 3: Cross multiply
    90,842,415x = 199,270,663.50 × 199,270,663.50
  4. Step 4: Simplify right side
    90,842,415x = 39,708,797,331,730,232
  5. Step 5: Solve for x
    x = 39,708,797,331,730,232/90,842,415
  6. Step 6: Final answer
    x = 437,117,367.83

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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.