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Finding the Third Proportional to 137,386.13 and 218,548.13

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Solution

The third proportional to 137,386.13 and 218,548.13 is: 347,657.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,386.13 : 218,548.13 = 218,548.13 : x
  2. Step 2: Convert to fraction form
    137,386.13/218,548.13 = 218,548.13/x
  3. Step 3: Cross multiply
    137,386.13x = 218,548.13 × 218,548.13
  4. Step 4: Simplify right side
    137,386.13x = 47,763,282,941.02
  5. Step 5: Solve for x
    x = 47,763,282,941.02/137,386.13
  6. Step 6: Final answer
    x = 347,657.25

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.