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Finding the Third Proportional to 1,319,470,866 and 1,938,816,540

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Solution

The third proportional to 1,319,470,866 and 1,938,816,540 is: 2,848,876,525.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,470,866 : 1,938,816,540 = 1,938,816,540 : x
  2. Step 2: Convert to fraction form
    1,319,470,866/1,938,816,540 = 1,938,816,540/x
  3. Step 3: Cross multiply
    1,319,470,866x = 1,938,816,540 × 1,938,816,540
  4. Step 4: Simplify right side
    1,319,470,866x = 3,759,009,575,777,571,840
  5. Step 5: Solve for x
    x = 3,759,009,575,777,571,840/1,319,470,866
  6. Step 6: Final answer
    x = 2,848,876,525.16

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.