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Finding the Third Proportional to 21,073,829,374 and 45,506,461,667

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Solution

The third proportional to 21,073,829,374 and 45,506,461,667 is: 98,265,864,105.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,073,829,374 : 45,506,461,667 = 45,506,461,667 : x
  2. Step 2: Convert to fraction form
    21,073,829,374/45,506,461,667 = 45,506,461,667/x
  3. Step 3: Cross multiply
    21,073,829,374x = 45,506,461,667 × 45,506,461,667
  4. Step 4: Simplify right side
    21,073,829,374x = 2,070,838,053,450,140,352,512
  5. Step 5: Solve for x
    x = 2,070,838,053,450,140,352,512/21,073,829,374
  6. Step 6: Final answer
    x = 98,265,864,105.60

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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.