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Finding the Third Proportional to 345,572 and 540,930

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Solution

The third proportional to 345,572 and 540,930 is: 846,727.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,572 : 540,930 = 540,930 : x
  2. Step 2: Convert to fraction form
    345,572/540,930 = 540,930/x
  3. Step 3: Cross multiply
    345,572x = 540,930 × 540,930
  4. Step 4: Simplify right side
    345,572x = 292,605,264,900
  5. Step 5: Solve for x
    x = 292,605,264,900/345,572
  6. Step 6: Final answer
    x = 846,727.35

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.