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Finding the Third Proportional to 645,296,592 and 991,867,320

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Solution

The third proportional to 645,296,592 and 991,867,320 is: 1,524,571,480.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,296,592 : 991,867,320 = 991,867,320 : x
  2. Step 2: Convert to fraction form
    645,296,592/991,867,320 = 991,867,320/x
  3. Step 3: Cross multiply
    645,296,592x = 991,867,320 × 991,867,320
  4. Step 4: Simplify right side
    645,296,592x = 983,800,780,483,982,336
  5. Step 5: Solve for x
    x = 983,800,780,483,982,336/645,296,592
  6. Step 6: Final answer
    x = 1,524,571,480.28

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.