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Finding the Third Proportional to 21,192,240 and 45,772,385

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Solution

The third proportional to 21,192,240 and 45,772,385 is: 98,862,188.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,192,240 : 45,772,385 = 45,772,385 : x
  2. Step 2: Convert to fraction form
    21,192,240/45,772,385 = 45,772,385/x
  3. Step 3: Cross multiply
    21,192,240x = 45,772,385 × 45,772,385
  4. Step 4: Simplify right side
    21,192,240x = 2,095,111,228,588,225
  5. Step 5: Solve for x
    x = 2,095,111,228,588,225/21,192,240
  6. Step 6: Final answer
    x = 98,862,188.64

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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.