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Finding the Third Proportional to 21,811,008 and 45,878,340

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Solution

The third proportional to 21,811,008 and 45,878,340 is: 96,502,742.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,811,008 : 45,878,340 = 45,878,340 : x
  2. Step 2: Convert to fraction form
    21,811,008/45,878,340 = 45,878,340/x
  3. Step 3: Cross multiply
    21,811,008x = 45,878,340 × 45,878,340
  4. Step 4: Simplify right side
    21,811,008x = 2,104,822,081,155,600
  5. Step 5: Solve for x
    x = 2,104,822,081,155,600/21,811,008
  6. Step 6: Final answer
    x = 96,502,742.15

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.