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Finding the Third Proportional to 28,513,776 and 61,478,880

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Solution

The third proportional to 28,513,776 and 61,478,880 is: 132,555,319.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,513,776 : 61,478,880 = 61,478,880 : x
  2. Step 2: Convert to fraction form
    28,513,776/61,478,880 = 61,478,880/x
  3. Step 3: Cross multiply
    28,513,776x = 61,478,880 × 61,478,880
  4. Step 4: Simplify right side
    28,513,776x = 3,779,652,686,054,400
  5. Step 5: Solve for x
    x = 3,779,652,686,054,400/28,513,776
  6. Step 6: Final answer
    x = 132,555,319.44

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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.