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Finding the Third Proportional to 139,132,348 and 302,238,580

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Solution

The third proportional to 139,132,348 and 302,238,580 is: 656,555,866.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,132,348 : 302,238,580 = 302,238,580 : x
  2. Step 2: Convert to fraction form
    139,132,348/302,238,580 = 302,238,580/x
  3. Step 3: Cross multiply
    139,132,348x = 302,238,580 × 302,238,580
  4. Step 4: Simplify right side
    139,132,348x = 91,348,159,240,416,400
  5. Step 5: Solve for x
    x = 91,348,159,240,416,400/139,132,348
  6. Step 6: Final answer
    x = 656,555,866.08

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.