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Finding the Third Proportional to 45,430,015 and 99,185,940

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Solution

The third proportional to 45,430,015 and 99,185,940 is: 216,549,580.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,430,015 : 99,185,940 = 99,185,940 : x
  2. Step 2: Convert to fraction form
    45,430,015/99,185,940 = 99,185,940/x
  3. Step 3: Cross multiply
    45,430,015x = 99,185,940 × 99,185,940
  4. Step 4: Simplify right side
    45,430,015x = 9,837,850,693,683,600
  5. Step 5: Solve for x
    x = 9,837,850,693,683,600/45,430,015
  6. Step 6: Final answer
    x = 216,549,580.57

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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.