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Finding the Third Proportional to 85,688,496 and 130,540,536

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Solution

The third proportional to 85,688,496 and 130,540,536 is: 198,869,537.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,688,496 : 130,540,536 = 130,540,536 : x
  2. Step 2: Convert to fraction form
    85,688,496/130,540,536 = 130,540,536/x
  3. Step 3: Cross multiply
    85,688,496x = 130,540,536 × 130,540,536
  4. Step 4: Simplify right side
    85,688,496x = 17,040,831,539,167,296
  5. Step 5: Solve for x
    x = 17,040,831,539,167,296/85,688,496
  6. Step 6: Final answer
    x = 198,869,537.16

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.