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Finding the Third Proportional to 18,833,408,490 and 40,370,828,020

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Solution

The third proportional to 18,833,408,490 and 40,370,828,020 is: 86,537,907,139.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,833,408,490 : 40,370,828,020 = 40,370,828,020 : x
  2. Step 2: Convert to fraction form
    18,833,408,490/40,370,828,020 = 40,370,828,020/x
  3. Step 3: Cross multiply
    18,833,408,490x = 40,370,828,020 × 40,370,828,020
  4. Step 4: Simplify right side
    18,833,408,490x = 1,629,803,755,020,417,236,992
  5. Step 5: Solve for x
    x = 1,629,803,755,020,417,236,992/18,833,408,490
  6. Step 6: Final answer
    x = 86,537,907,139.10

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.