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Finding the Third Proportional to 4,258,208,753 and 9,319,154,213

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Solution

The third proportional to 4,258,208,753 and 9,319,154,213 is: 20,395,109,841.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,258,208,753 : 9,319,154,213 = 9,319,154,213 : x
  2. Step 2: Convert to fraction form
    4,258,208,753/9,319,154,213 = 9,319,154,213/x
  3. Step 3: Cross multiply
    4,258,208,753x = 9,319,154,213 × 9,319,154,213
  4. Step 4: Simplify right side
    4,258,208,753x = 86,846,635,245,675,642,880
  5. Step 5: Solve for x
    x = 86,846,635,245,675,642,880/4,258,208,753
  6. Step 6: Final answer
    x = 20,395,109,841.55

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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.