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Finding the Third Proportional to 128,532,397.50 and 195,810,216

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Solution

The third proportional to 128,532,397.50 and 195,810,216 is: 298,303,318.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,532,397.50 : 195,810,216 = 195,810,216 : x
  2. Step 2: Convert to fraction form
    128,532,397.50/195,810,216 = 195,810,216/x
  3. Step 3: Cross multiply
    128,532,397.50x = 195,810,216 × 195,810,216
  4. Step 4: Simplify right side
    128,532,397.50x = 38,341,640,689,966,656
  5. Step 5: Solve for x
    x = 38,341,640,689,966,656/128,532,397.50
  6. Step 6: Final answer
    x = 298,303,318.35

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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.