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Finding the Third Proportional to 28,772,364 and 61,638,432

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Solution

The third proportional to 28,772,364 and 61,638,432 is: 132,046,720.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,772,364 : 61,638,432 = 61,638,432 : x
  2. Step 2: Convert to fraction form
    28,772,364/61,638,432 = 61,638,432/x
  3. Step 3: Cross multiply
    28,772,364x = 61,638,432 × 61,638,432
  4. Step 4: Simplify right side
    28,772,364x = 3,799,296,299,418,624
  5. Step 5: Solve for x
    x = 3,799,296,299,418,624/28,772,364
  6. Step 6: Final answer
    x = 132,046,720.23

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.