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Finding the Third Proportional to 15,918,384 and 25,246,636.50

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Solution

The third proportional to 15,918,384 and 25,246,636.50 is: 40,041,291.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,918,384 : 25,246,636.50 = 25,246,636.50 : x
  2. Step 2: Convert to fraction form
    15,918,384/25,246,636.50 = 25,246,636.50/x
  3. Step 3: Cross multiply
    15,918,384x = 25,246,636.50 × 25,246,636.50
  4. Step 4: Simplify right side
    15,918,384x = 637,392,654,563,132.25
  5. Step 5: Solve for x
    x = 637,392,654,563,132.25/15,918,384
  6. Step 6: Final answer
    x = 40,041,291.54

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.