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Finding the Third Proportional to 30,036,420 and 46,530,342

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Solution

The third proportional to 30,036,420 and 46,530,342 is: 72,081,583.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,036,420 : 46,530,342 = 46,530,342 : x
  2. Step 2: Convert to fraction form
    30,036,420/46,530,342 = 46,530,342/x
  3. Step 3: Cross multiply
    30,036,420x = 46,530,342 × 46,530,342
  4. Step 4: Simplify right side
    30,036,420x = 2,165,072,726,636,964
  5. Step 5: Solve for x
    x = 2,165,072,726,636,964/30,036,420
  6. Step 6: Final answer
    x = 72,081,583.85

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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.