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Finding the Third Proportional to 121,217,048 and 265,108,480

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Solution

The third proportional to 121,217,048 and 265,108,480 is: 579,807,109.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,217,048 : 265,108,480 = 265,108,480 : x
  2. Step 2: Convert to fraction form
    121,217,048/265,108,480 = 265,108,480/x
  3. Step 3: Cross multiply
    121,217,048x = 265,108,480 × 265,108,480
  4. Step 4: Simplify right side
    121,217,048x = 70,282,506,167,910,400
  5. Step 5: Solve for x
    x = 70,282,506,167,910,400/121,217,048
  6. Step 6: Final answer
    x = 579,807,109.05

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.