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Finding the Third Proportional to 12,739,725,964 and 19,109,590,940

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Solution

The third proportional to 12,739,725,964 and 19,109,590,940 is: 28,664,389,401.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,739,725,964 : 19,109,590,940 = 19,109,590,940 : x
  2. Step 2: Convert to fraction form
    12,739,725,964/19,109,590,940 = 19,109,590,940/x
  3. Step 3: Cross multiply
    12,739,725,964x = 19,109,590,940 × 19,109,590,940
  4. Step 4: Simplify right side
    12,739,725,964x = 365,176,465,894,130,057,216
  5. Step 5: Solve for x
    x = 365,176,465,894,130,057,216/12,739,725,964
  6. Step 6: Final answer
    x = 28,664,389,401.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.