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Finding the Third Proportional to 28,927,660 and 61,778,508

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Solution

The third proportional to 28,927,660 and 61,778,508 is: 131,935,457.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,927,660 : 61,778,508 = 61,778,508 : x
  2. Step 2: Convert to fraction form
    28,927,660/61,778,508 = 61,778,508/x
  3. Step 3: Cross multiply
    28,927,660x = 61,778,508 × 61,778,508
  4. Step 4: Simplify right side
    28,927,660x = 3,816,584,050,706,064
  5. Step 5: Solve for x
    x = 3,816,584,050,706,064/28,927,660
  6. Step 6: Final answer
    x = 131,935,457.30

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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.