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Finding the Third Proportional to 21,154,526 and 47,486,140

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Solution

The third proportional to 21,154,526 and 47,486,140 is: 106,593,430.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,154,526 : 47,486,140 = 47,486,140 : x
  2. Step 2: Convert to fraction form
    21,154,526/47,486,140 = 47,486,140/x
  3. Step 3: Cross multiply
    21,154,526x = 47,486,140 × 47,486,140
  4. Step 4: Simplify right side
    21,154,526x = 2,254,933,492,099,600
  5. Step 5: Solve for x
    x = 2,254,933,492,099,600/21,154,526
  6. Step 6: Final answer
    x = 106,593,430.27

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Why These Related Problems?

These problems maintain the same ratio (2.24) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.