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Finding the Third Proportional to 72,611,748 and 157,320,036

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Solution

The third proportional to 72,611,748 and 157,320,036 is: 340,848,339.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,611,748 : 157,320,036 = 157,320,036 : x
  2. Step 2: Convert to fraction form
    72,611,748/157,320,036 = 157,320,036/x
  3. Step 3: Cross multiply
    72,611,748x = 157,320,036 × 157,320,036
  4. Step 4: Simplify right side
    72,611,748x = 24,749,593,727,041,296
  5. Step 5: Solve for x
    x = 24,749,593,727,041,296/72,611,748
  6. Step 6: Final answer
    x = 340,848,339.40

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.