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Finding the Third Proportional to 73,788,950 and 161,478,473

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Solution

The third proportional to 73,788,950 and 161,478,473 is: 353,376,721.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,788,950 : 161,478,473 = 161,478,473 : x
  2. Step 2: Convert to fraction form
    73,788,950/161,478,473 = 161,478,473/x
  3. Step 3: Cross multiply
    73,788,950x = 161,478,473 × 161,478,473
  4. Step 4: Simplify right side
    73,788,950x = 26,075,297,242,411,728
  5. Step 5: Solve for x
    x = 26,075,297,242,411,728/73,788,950
  6. Step 6: Final answer
    x = 353,376,721.61

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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.