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Finding the Third Proportional to 91,537,395.75 and 138,157,339.50

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Solution

The third proportional to 91,537,395.75 and 138,157,339.50 is: 208,520,794.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,537,395.75 : 138,157,339.50 = 138,157,339.50 : x
  2. Step 2: Convert to fraction form
    91,537,395.75/138,157,339.50 = 138,157,339.50/x
  3. Step 3: Cross multiply
    91,537,395.75x = 138,157,339.50 × 138,157,339.50
  4. Step 4: Simplify right side
    91,537,395.75x = 19,087,450,457,718,260
  5. Step 5: Solve for x
    x = 19,087,450,457,718,260/91,537,395.75
  6. Step 6: Final answer
    x = 208,520,794.17

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.