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Finding the Third Proportional to 28,210,470 and 38,980,461

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Solution

The third proportional to 28,210,470 and 38,980,461 is: 53,862,141.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,210,470 : 38,980,461 = 38,980,461 : x
  2. Step 2: Convert to fraction form
    28,210,470/38,980,461 = 38,980,461/x
  3. Step 3: Cross multiply
    28,210,470x = 38,980,461 × 38,980,461
  4. Step 4: Simplify right side
    28,210,470x = 1,519,476,339,772,521
  5. Step 5: Solve for x
    x = 1,519,476,339,772,521/28,210,470
  6. Step 6: Final answer
    x = 53,862,141.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.