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Finding the Third Proportional to 19,886,666 and 31,440,360

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Solution

The third proportional to 19,886,666 and 31,440,360 is: 49,706,483.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,886,666 : 31,440,360 = 31,440,360 : x
  2. Step 2: Convert to fraction form
    19,886,666/31,440,360 = 31,440,360/x
  3. Step 3: Cross multiply
    19,886,666x = 31,440,360 × 31,440,360
  4. Step 4: Simplify right side
    19,886,666x = 988,496,236,929,600
  5. Step 5: Solve for x
    x = 988,496,236,929,600/19,886,666
  6. Step 6: Final answer
    x = 49,706,483.58

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.