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Finding the Third Proportional to 71,639,208.75 and 153,495,159

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Solution

The third proportional to 71,639,208.75 and 153,495,159 is: 328,880,849.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,639,208.75 : 153,495,159 = 153,495,159 : x
  2. Step 2: Convert to fraction form
    71,639,208.75/153,495,159 = 153,495,159/x
  3. Step 3: Cross multiply
    71,639,208.75x = 153,495,159 × 153,495,159
  4. Step 4: Simplify right side
    71,639,208.75x = 23,560,763,836,435,280
  5. Step 5: Solve for x
    x = 23,560,763,836,435,280/71,639,208.75
  6. Step 6: Final answer
    x = 328,880,849.57

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.