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Finding the Third Proportional to 20,925,216 and 45,152,640

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Solution

The third proportional to 20,925,216 and 45,152,640 is: 97,430,817.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,925,216 : 45,152,640 = 45,152,640 : x
  2. Step 2: Convert to fraction form
    20,925,216/45,152,640 = 45,152,640/x
  3. Step 3: Cross multiply
    20,925,216x = 45,152,640 × 45,152,640
  4. Step 4: Simplify right side
    20,925,216x = 2,038,760,898,969,600
  5. Step 5: Solve for x
    x = 2,038,760,898,969,600/20,925,216
  6. Step 6: Final answer
    x = 97,430,817.39

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.