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Finding the Third Proportional to 12,402,064 and 19,281,062

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Solution

The third proportional to 12,402,064 and 19,281,062 is: 29,975,603.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,402,064 : 19,281,062 = 19,281,062 : x
  2. Step 2: Convert to fraction form
    12,402,064/19,281,062 = 19,281,062/x
  3. Step 3: Cross multiply
    12,402,064x = 19,281,062 × 19,281,062
  4. Step 4: Simplify right side
    12,402,064x = 371,759,351,847,844
  5. Step 5: Solve for x
    x = 371,759,351,847,844/12,402,064
  6. Step 6: Final answer
    x = 29,975,603.40

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.