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Finding the Third Proportional to 8,405,888 and 13,312,560

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Solution

The third proportional to 8,405,888 and 13,312,560 is: 21,083,347.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,405,888 : 13,312,560 = 13,312,560 : x
  2. Step 2: Convert to fraction form
    8,405,888/13,312,560 = 13,312,560/x
  3. Step 3: Cross multiply
    8,405,888x = 13,312,560 × 13,312,560
  4. Step 4: Simplify right side
    8,405,888x = 177,224,253,753,600
  5. Step 5: Solve for x
    x = 177,224,253,753,600/8,405,888
  6. Step 6: Final answer
    x = 21,083,347.02

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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.