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Finding the Third Proportional to 611,860 and 1,312,292

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Solution

The third proportional to 611,860 and 1,312,292 is: 2,814,549.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,860 : 1,312,292 = 1,312,292 : x
  2. Step 2: Convert to fraction form
    611,860/1,312,292 = 1,312,292/x
  3. Step 3: Cross multiply
    611,860x = 1,312,292 × 1,312,292
  4. Step 4: Simplify right side
    611,860x = 1,722,110,293,264
  5. Step 5: Solve for x
    x = 1,722,110,293,264/611,860
  6. Step 6: Final answer
    x = 2,814,549.56

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.