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Finding the Third Proportional to 45,479,603 and 69,975,989

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Solution

The third proportional to 45,479,603 and 69,975,989 is: 107,666,705.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,479,603 : 69,975,989 = 69,975,989 : x
  2. Step 2: Convert to fraction form
    45,479,603/69,975,989 = 69,975,989/x
  3. Step 3: Cross multiply
    45,479,603x = 69,975,989 × 69,975,989
  4. Step 4: Simplify right side
    45,479,603x = 4,896,639,036,528,121
  5. Step 5: Solve for x
    x = 4,896,639,036,528,121/45,479,603
  6. Step 6: Final answer
    x = 107,666,705.81

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.