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Finding the Third Proportional to 45,543,330 and 99,173,090

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Solution

The third proportional to 45,543,330 and 99,173,090 is: 215,954,823.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,543,330 : 99,173,090 = 99,173,090 : x
  2. Step 2: Convert to fraction form
    45,543,330/99,173,090 = 99,173,090/x
  3. Step 3: Cross multiply
    45,543,330x = 99,173,090 × 99,173,090
  4. Step 4: Simplify right side
    45,543,330x = 9,835,301,780,148,100
  5. Step 5: Solve for x
    x = 9,835,301,780,148,100/45,543,330
  6. Step 6: Final answer
    x = 215,954,823.25

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.