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Finding the Third Proportional to 15,966,680 and 25,018,166

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Solution

The third proportional to 15,966,680 and 25,018,166 is: 39,200,925.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,966,680 : 25,018,166 = 25,018,166 : x
  2. Step 2: Convert to fraction form
    15,966,680/25,018,166 = 25,018,166/x
  3. Step 3: Cross multiply
    15,966,680x = 25,018,166 × 25,018,166
  4. Step 4: Simplify right side
    15,966,680x = 625,908,630,003,556
  5. Step 5: Solve for x
    x = 625,908,630,003,556/15,966,680
  6. Step 6: Final answer
    x = 39,200,925.30

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.