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Finding the Third Proportional to 15,918,378 and 25,246,627.50

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Solution

The third proportional to 15,918,378 and 25,246,627.50 is: 40,041,278.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,918,378 : 25,246,627.50 = 25,246,627.50 : x
  2. Step 2: Convert to fraction form
    15,918,378/25,246,627.50 = 25,246,627.50/x
  3. Step 3: Cross multiply
    15,918,378x = 25,246,627.50 × 25,246,627.50
  4. Step 4: Simplify right side
    15,918,378x = 637,392,200,123,756.25
  5. Step 5: Solve for x
    x = 637,392,200,123,756.25/15,918,378
  6. Step 6: Final answer
    x = 40,041,278.08

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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.