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Finding the Third Proportional to 15,319,878 and 23,298,129

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Solution

The third proportional to 15,319,878 and 23,298,129 is: 35,431,275.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,319,878 : 23,298,129 = 23,298,129 : x
  2. Step 2: Convert to fraction form
    15,319,878/23,298,129 = 23,298,129/x
  3. Step 3: Cross multiply
    15,319,878x = 23,298,129 × 23,298,129
  4. Step 4: Simplify right side
    15,319,878x = 542,802,814,900,641
  5. Step 5: Solve for x
    x = 542,802,814,900,641/15,319,878
  6. Step 6: Final answer
    x = 35,431,275.29

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.