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Finding the Third Proportional to 4,535,546 and 9,868,240

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Solution

The third proportional to 4,535,546 and 9,868,240 is: 21,470,879.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,535,546 : 9,868,240 = 9,868,240 : x
  2. Step 2: Convert to fraction form
    4,535,546/9,868,240 = 9,868,240/x
  3. Step 3: Cross multiply
    4,535,546x = 9,868,240 × 9,868,240
  4. Step 4: Simplify right side
    4,535,546x = 97,382,160,697,600
  5. Step 5: Solve for x
    x = 97,382,160,697,600/4,535,546
  6. Step 6: Final answer
    x = 21,470,879.29

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.