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Finding the Third Proportional to 73,339,618.50 and 155,421,729

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Solution

The third proportional to 73,339,618.50 and 155,421,729 is: 329,370,595.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,339,618.50 : 155,421,729 = 155,421,729 : x
  2. Step 2: Convert to fraction form
    73,339,618.50/155,421,729 = 155,421,729/x
  3. Step 3: Cross multiply
    73,339,618.50x = 155,421,729 × 155,421,729
  4. Step 4: Simplify right side
    73,339,618.50x = 24,155,913,845,349,440
  5. Step 5: Solve for x
    x = 24,155,913,845,349,440/73,339,618.50
  6. Step 6: Final answer
    x = 329,370,595.86

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.