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Finding the Third Proportional to 15,918,386 and 25,246,640

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Solution

The third proportional to 15,918,386 and 25,246,640 is: 40,041,297.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,918,386 : 25,246,640 = 25,246,640 : x
  2. Step 2: Convert to fraction form
    15,918,386/25,246,640 = 25,246,640/x
  3. Step 3: Cross multiply
    15,918,386x = 25,246,640 × 25,246,640
  4. Step 4: Simplify right side
    15,918,386x = 637,392,831,289,600
  5. Step 5: Solve for x
    x = 637,392,831,289,600/15,918,386
  6. Step 6: Final answer
    x = 40,041,297.61

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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.