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Finding the Third Proportional to 9,777,897 and 15,479,407

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Solution

The third proportional to 9,777,897 and 15,479,407 is: 24,505,478.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,777,897 : 15,479,407 = 15,479,407 : x
  2. Step 2: Convert to fraction form
    9,777,897/15,479,407 = 15,479,407/x
  3. Step 3: Cross multiply
    9,777,897x = 15,479,407 × 15,479,407
  4. Step 4: Simplify right side
    9,777,897x = 239,612,041,071,649
  5. Step 5: Solve for x
    x = 239,612,041,071,649/9,777,897
  6. Step 6: Final answer
    x = 24,505,478.13

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.