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Finding the Third Proportional to 28,668,672 and 61,897,896

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Solution

The third proportional to 28,668,672 and 61,897,896 is: 133,642,379.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,668,672 : 61,897,896 = 61,897,896 : x
  2. Step 2: Convert to fraction form
    28,668,672/61,897,896 = 61,897,896/x
  3. Step 3: Cross multiply
    28,668,672x = 61,897,896 × 61,897,896
  4. Step 4: Simplify right side
    28,668,672x = 3,831,349,529,226,816
  5. Step 5: Solve for x
    x = 3,831,349,529,226,816/28,668,672
  6. Step 6: Final answer
    x = 133,642,379.01

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.