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Finding the Third Proportional to 72,693,553 and 109,093,547

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Solution

The third proportional to 72,693,553 and 109,093,547 is: 163,720,185.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,693,553 : 109,093,547 = 109,093,547 : x
  2. Step 2: Convert to fraction form
    72,693,553/109,093,547 = 109,093,547/x
  3. Step 3: Cross multiply
    72,693,553x = 109,093,547 × 109,093,547
  4. Step 4: Simplify right side
    72,693,553x = 11,901,401,997,041,208
  5. Step 5: Solve for x
    x = 11,901,401,997,041,208/72,693,553
  6. Step 6: Final answer
    x = 163,720,185.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.