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Finding the Third Proportional to 710,786 and 1,539,508

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Solution

The third proportional to 710,786 and 1,539,508 is: 3,334,456.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,786 : 1,539,508 = 1,539,508 : x
  2. Step 2: Convert to fraction form
    710,786/1,539,508 = 1,539,508/x
  3. Step 3: Cross multiply
    710,786x = 1,539,508 × 1,539,508
  4. Step 4: Simplify right side
    710,786x = 2,370,084,882,064
  5. Step 5: Solve for x
    x = 2,370,084,882,064/710,786
  6. Step 6: Final answer
    x = 3,334,456.34

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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.