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Finding the Third Proportional to 15,065,220 and 19,343,430

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Solution

The third proportional to 15,065,220 and 19,343,430 is: 24,836,562.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,065,220 : 19,343,430 = 19,343,430 : x
  2. Step 2: Convert to fraction form
    15,065,220/19,343,430 = 19,343,430/x
  3. Step 3: Cross multiply
    15,065,220x = 19,343,430 × 19,343,430
  4. Step 4: Simplify right side
    15,065,220x = 374,168,284,164,900
  5. Step 5: Solve for x
    x = 374,168,284,164,900/15,065,220
  6. Step 6: Final answer
    x = 24,836,562.90

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Why These Related Problems?

These problems maintain the same ratio (1.28) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.