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Finding the Third Proportional to 42,465,080 and 92,878,362

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Solution

The third proportional to 42,465,080 and 92,878,362 is: 203,140,795.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,465,080 : 92,878,362 = 92,878,362 : x
  2. Step 2: Convert to fraction form
    42,465,080/92,878,362 = 92,878,362/x
  3. Step 3: Cross multiply
    42,465,080x = 92,878,362 × 92,878,362
  4. Step 4: Simplify right side
    42,465,080x = 8,626,390,127,803,044
  5. Step 5: Solve for x
    x = 8,626,390,127,803,044/42,465,080
  6. Step 6: Final answer
    x = 203,140,795.40

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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.