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Finding the Third Proportional to 8,629,528 and 13,398,987

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Solution

The third proportional to 8,629,528 and 13,398,987 is: 20,804,481.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,629,528 : 13,398,987 = 13,398,987 : x
  2. Step 2: Convert to fraction form
    8,629,528/13,398,987 = 13,398,987/x
  3. Step 3: Cross multiply
    8,629,528x = 13,398,987 × 13,398,987
  4. Step 4: Simplify right side
    8,629,528x = 179,532,852,626,169
  5. Step 5: Solve for x
    x = 179,532,852,626,169/8,629,528
  6. Step 6: Final answer
    x = 20,804,481.15

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.