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Finding the Third Proportional to 70,093,973 and 153,401,719

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Solution

The third proportional to 70,093,973 and 153,401,719 is: 335,721,979.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,093,973 : 153,401,719 = 153,401,719 : x
  2. Step 2: Convert to fraction form
    70,093,973/153,401,719 = 153,401,719/x
  3. Step 3: Cross multiply
    70,093,973x = 153,401,719 × 153,401,719
  4. Step 4: Simplify right side
    70,093,973x = 23,532,087,392,154,960
  5. Step 5: Solve for x
    x = 23,532,087,392,154,960/70,093,973
  6. Step 6: Final answer
    x = 335,721,979.86

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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.