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Finding the Third Proportional to 180,810,031.50 and 392,443,627.50

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Solution

The third proportional to 180,810,031.50 and 392,443,627.50 is: 851,789,026.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,810,031.50 : 392,443,627.50 = 392,443,627.50 : x
  2. Step 2: Convert to fraction form
    180,810,031.50/392,443,627.50 = 392,443,627.50/x
  3. Step 3: Cross multiply
    180,810,031.50x = 392,443,627.50 × 392,443,627.50
  4. Step 4: Simplify right side
    180,810,031.50x = 154,012,000,765,358,752
  5. Step 5: Solve for x
    x = 154,012,000,765,358,752/180,810,031.50
  6. Step 6: Final answer
    x = 851,789,026.79

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.