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Finding the Third Proportional to 2,721,948,572 and 4,203,804,930

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Solution

The third proportional to 2,721,948,572 and 4,203,804,930 is: 6,492,398,890.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,721,948,572 : 4,203,804,930 = 4,203,804,930 : x
  2. Step 2: Convert to fraction form
    2,721,948,572/4,203,804,930 = 4,203,804,930/x
  3. Step 3: Cross multiply
    2,721,948,572x = 4,203,804,930 × 4,203,804,930
  4. Step 4: Simplify right side
    2,721,948,572x = 17,671,975,889,492,305,920
  5. Step 5: Solve for x
    x = 17,671,975,889,492,305,920/2,721,948,572
  6. Step 6: Final answer
    x = 6,492,398,890.74

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.