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Finding the Third Proportional to 53,403,516 and 109,638,072

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Solution

The third proportional to 53,403,516 and 109,638,072 is: 225,088,303.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,403,516 : 109,638,072 = 109,638,072 : x
  2. Step 2: Convert to fraction form
    53,403,516/109,638,072 = 109,638,072/x
  3. Step 3: Cross multiply
    53,403,516x = 109,638,072 × 109,638,072
  4. Step 4: Simplify right side
    53,403,516x = 12,020,506,831,877,184
  5. Step 5: Solve for x
    x = 12,020,506,831,877,184/53,403,516
  6. Step 6: Final answer
    x = 225,088,303.77

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.